Weather on August 13
Santa Rosa, CA
55 Years of Data
Avg High
81°F
Avg Low
53°F
Warmest
2019
77°F avg
Coldest
1987
58°F avg
About This Date
August 13th in Santa Rosa, CA typically brings warm summer weather, with average highs around 81°F and lows near 53°F — a 28°F daily swing. Over 55 years of records, the warmest August 13th was in 2019 (77°F average), while the coldest was 1987 (58°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 13th dates historically. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for August 13th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 56° | 67° | — | — |
| 2024 | 88° | 50° | 69° | — | — |
| 2023 | 91° | 56° | 73° | — | — |
| 2022 | 87° | 56° | 71° | — | — |
| 2021 | 78° | 56° | 67° | — | — |
| 2020 | 98° | 50° | 74° | — | — |
| 2019warmest | 97° | 57° | 77° | — | — |
| 2018 | 81° | 52° | 66° | — | — |
| 2017 | 82° | 52° | 67° | — | — |
| 2016 | 86° | 49° | 67° | — | — |
| 2015 | 81° | 57° | 69° | — | — |
| 2014 | 76° | 54° | 65° | — | — |
| 2013 | 86° | 51° | 69° | — | — |
| 2012 | 87° | 57° | 72° | — | — |
| 2011 | 83° | 42° | 62° | — | — |
| 2010 | 74° | 49° | 61° | — | — |
| 2009 | 94° | 58° | 76° | — | — |
| 2008 | 94° | 56° | 75° | — | — |
| 2007 | 81° | 46° | 63° | — | — |
| 2006 | 78° | 52° | 65° | — | — |
| 2005 | 72° | 52° | 62° | — | — |
| 2004 | 54° | 76° | 65° | — | — |
| 2003 | 87° | 50° | 69° | — | — |
| 2002 | 78° | 52° | 65° | — | — |
| 2001 | 72° | 53° | 62° | — | — |
| 2000 | 88° | 50° | 69° | — | — |
| 1999 | 78° | 50° | 64° | — | — |
| 1998 | 89° | 55° | 72° | — | — |
| 1997 | 75° | 55° | 65° | — | — |
| 1996 | 92° | 58° | 75° | — | — |
| 1995 | 93° | 59° | 76° | — | — |
| 1994 | 92° | 53° | 72° | — | — |
| 1993 | 78° | 54° | 66° | — | — |
| 1992 | 79° | 57° | 68° | — | — |
| 1991 | 85° | 59° | 72° | 0.13" | — |
| 1990 | 83° | 53° | 68° | — | — |
| 1989 | 94° | 52° | 73° | — | — |
| 1988 | 71° | 54° | 62° | — | — |
| 1987coldest | 67° | 49° | 58° | — | — |
| 1986 | 71° | 48° | 60° | — | — |
| 1985 | 68° | 54° | 61° | — | — |
| 1984 | 79° | 51° | 65° | — | — |
| 1983 | 83° | 54° | 68° | — | — |
| 1982 | 74° | 54° | 64° | — | — |
| 1981 | 80° | 54° | 67° | — | — |
| 1980 | 76° | 50° | 63° | — | — |
| 1979 | 74° | 54° | 64° | — | — |
| 1978 | 84° | 48° | 66° | — | — |
| 1977 | 80° | 54° | 67° | — | — |
| 1976 | 77° | 52° | 64° | — | — |
| 1975 | 70° | 53° | 61° | — | — |
| 1974 | 77° | 53° | 65° | — | — |
| 1973 | 89° | 50° | 70° | — | — |
| 1972 | 86° | 45° | 65° | — | — |
| 1971 | 84° | 53° | 69° | — | — |
55 years of data from SANTA ROSA